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TcgPei need to measure anything to PCR in S3 bootpath, so skip shadow logic. 

Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by  : Fu, Siyuan <siyuan.fu@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13685 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
czhang46 2012-08-28 03:16:10 +00:00
parent f5c941b177
commit 055c829c42
1 changed files with 16 additions and 11 deletions
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21
SecurityPkg/Tcg/TcgPei/TcgPei.c
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@ -583,20 +583,25 @@ PeimEntryMA (
return EFI_UNSUPPORTED;
}
Status = (**PeiServices).RegisterForShadow(FileHandle);
if (Status == EFI_ALREADY_STARTED) {
mImageInMemory = TRUE;
} else if (Status == EFI_NOT_FOUND) {
ASSERT_EFI_ERROR (Status);
}
if (!mImageInMemory) {
//
// Initialize TPM device
//
Status = PeiServicesGetBootMode (&BootMode);
ASSERT_EFI_ERROR (Status);
//
// In S3 path, skip shadow logic. no measurement is required
//
if (BootMode != BOOT_ON_S3_RESUME) {
Status = (**PeiServices).RegisterForShadow(FileHandle);
if (Status == EFI_ALREADY_STARTED) {
mImageInMemory = TRUE;
} else if (Status == EFI_NOT_FOUND) {
ASSERT_EFI_ERROR (Status);
}
}
if (!mImageInMemory) {
TpmHandle = (TIS_TPM_HANDLE)(UINTN)TPM_BASE_ADDRESS;
Status = TisPcRequestUseTpm ((TIS_PC_REGISTERS_PTR)TpmHandle);
if (EFI_ERROR (Status)) {